[turbofan] Make escape analysis fail silently for cyclic object states

src/compiler/escape-analysis-reducer.h

Index: src/compiler/escape-analysis-reducer.h
diff --git a/src/compiler/escape-analysis-reducer.h b/src/compiler/escape-analysis-reducer.h
index e5e46b5d60f5b0236a37ca29b13faeced5840957..537f68d26a60d008e8a07a3a888c466fac157bbd 100644
--- a/src/compiler/escape-analysis-reducer.h
+++ b/src/compiler/escape-analysis-reducer.h
@@ -30,6 +30,8 @@ class V8_EXPORT_PRIVATE EscapeAnalysisReducer final
   // after this reducer has been applied. Has no effect in release mode.
   void VerifyReplacement() const;
 
+  bool compilation_failed() { return compilation_failed_; }

[Benedikt Meurer, 2016/11/15 12:42:55]

Nit: const

+
  private:
   Reduction ReduceLoad(Node* node);
   Reduction ReduceStore(Node* node);
@@ -55,6 +57,7 @@ class V8_EXPORT_PRIVATE EscapeAnalysisReducer final
   // and nodes that do not need a visit from ReduceDeoptState etc.
   BitVector fully_reduced_;
   bool exists_virtual_allocate_;
+  bool compilation_failed_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(EscapeAnalysisReducer);
 };